Racemethorphan
[化] 消旋甲啡烷; 消旋甲吗喃; 消旋吗喃甲醚
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
From mutual understanding, a comfortable situation has been creation.
由于彼此的了解，因而建立了愉快的关系。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，